var ns4 = (document.layers)? true:false;
var ie4 = (document.all)? true:false;
var hide = (ns4)? "hide":"hidden";
var show = (ns4)? "show":"visible";

var nav_image_dir = "/images/";
var sliding_image_dir = "/images/";
var file_dir = "/";

var DATAREFRESH = 5;

function obj(sDivName) {
	if (ie4) return document.all[sDivName].style;
	else if (ns4) return document.layers[sDivName];
	else return null;
}

function exist(sDivName) {
	if (ie4) return ( typeof document.all[sDivName] == "object" );
	else if (ns4) return ( typeof document.layers[sDivName] == "object" );
	else return false;
}

var resizecount = 0;

function toReload() {
	resizecount = resizecount + 1;
	if (resizecount > 2) {
		window.location.reload();
	} else if (navigator.appVersion.substring(0,3) == "4.5") {
		window.location.reload();
	} 
}